I think that with this kind of problem, you can process in two steps.
A first easy problem with small N (to test perms for example). And a harder problem with big N, which
oblige to find another algorithm.
Clean the List of Names
Distance walked 2D
First non-zero element in each column
Generate a vector like 1,2,2,3,3,3,4,4,4,4
Find out missing number from a vector of 9 elements
Accessing values in a cell
Pseudo Square Root (Inspired by Project Euler 266)
Pandigital Multiples of 11 (based on Project Euler 491)
It's Happy! It's Fun! It's Happy Fun Hyperball!
Community Problem 500!
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